1/*	$OpenBSD: rmd160.h,v 1.5 2009/07/05 19:33:46 millert Exp $	*/
2/*
3 * Copyright (c) 2001 Markus Friedl.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#ifndef  _RMD160_H
26#define  _RMD160_H
27
28#define RMD160_BLOCK_LENGTH		64
29#define RMD160_DIGEST_LENGTH		20
30
31/* RMD160 context. */
32typedef struct RMD160Context {
33	u_int32_t state[5];			/* state */
34	u_int64_t count;			/* number of bits, mod 2^64 */
35	u_char buffer[RMD160_BLOCK_LENGTH];	/* input buffer */
36} RMD160_CTX;
37
38__BEGIN_DECLS
39void	 RMD160Init(RMD160_CTX *);
40void	 RMD160Transform(u_int32_t [5], const u_char [RMD160_BLOCK_LENGTH])
41	     __attribute__((__bounded__(__minbytes__,1,5)))
42	     __attribute__((__bounded__(__minbytes__,2,RMD160_BLOCK_LENGTH)));
43void	 RMD160Update(RMD160_CTX *, const u_char *, u_int32_t)
44	     __attribute__((__bounded__(__string__,2,3)));
45void	 RMD160Final(u_char [RMD160_DIGEST_LENGTH], RMD160_CTX *)
46	     __attribute__((__bounded__(__minbytes__,1,RMD160_DIGEST_LENGTH)));
47__END_DECLS
48
49#endif  /* _RMD160_H */
50